Home / 906,493.35-1,358,263.80-667,344.90

Finding the Fourth Proportional to 906,493.35, 1,358,263.80 and 667,344.90

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Solution

The fourth proportional to 906,493.35, 1,358,263.80 and 667,344.90 is: 999,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,493.35 : 1,358,263.80 = 667,344.90 : x
  2. Step 2: Convert to fraction form
    906,493.35/1,358,263.80 = 667,344.90/x
  3. Step 3: Cross multiply
    906,493.35x = 1,358,263.80 × 667,344.90
  4. Step 4: Simplify right side
    906,493.35x = 906,430,419,784.62
  5. Step 5: Solve for x
    x = 906,430,419,784.62/906,493.35
  6. Step 6: Final answer
    x = 999,930.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.